US7637086B2 - System and method for producing resin cartridges - Google Patents

System and method for producing resin cartridges Download PDF

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Publication number
US7637086B2
US7637086B2 US11/807,655 US80765507A US7637086B2 US 7637086 B2 US7637086 B2 US 7637086B2 US 80765507 A US80765507 A US 80765507A US 7637086 B2 US7637086 B2 US 7637086B2
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Prior art keywords
resin
composition
stream
resin composition
catalyst
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US20080120947A1 (en
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John G. Oldsen
Walter J. Simmons
W. Neal Simmons
Robert A. McGinnis, Jr.
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J LOK Co
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J LOK Co
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Assigned to J-LOK CO. reassignment J-LOK CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SIMMONS, W. NEAL, SIMMONS, WALTER J., MCGINNIS, ROBERT A., JR., OLDSEN, JOHN G.
Priority to US11/807,655 priority Critical patent/US7637086B2/en
Application filed by J LOK Co filed Critical J LOK Co
Priority to AU2007202740A priority patent/AU2007202740B2/en
Priority to CA2973276A priority patent/CA2973276C/fr
Publication of US20080120947A1 publication Critical patent/US20080120947A1/en
Priority to US12/621,955 priority patent/US8539738B2/en
Publication of US7637086B2 publication Critical patent/US7637086B2/en
Application granted granted Critical
Priority to US14/035,400 priority patent/US9738405B2/en
Priority to AU2014202904A priority patent/AU2014202904C1/en
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION SECURITY AGREEMENT Assignors: DSI UNDERGROUND SYSTEMS, LLC, FCI HOLDINGS DELAWARE, INC., A DELAWARE CORPORATION, J-LOK CO., A PENNSYLVANIA CORPORATION
Assigned to JEFFERIES FINANCE LLC, AS COLLATERAL AGENT reassignment JEFFERIES FINANCE LLC, AS COLLATERAL AGENT SECURITY INTEREST Assignors: FCI Holdings Delaware, LLC, J-LOK CO., JM STEEL – PENNSYLVANIA, LLC, XCAL TOOLS – BRISTOL, LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/10—Packaging two or more different substances isolated from one another in the package but capable of being mixed without opening the package, e.g. forming packages containing a resin and hardener isolated by a frangible partition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it

Definitions

  • the present invention is directed to a system and method for producing partitioned tubular film packages that retain different materials on either side of a partition, and more particularly, to a method of producing mine roof bolt resin packages in which a polymerizable resin component and a catalyst component are retained on opposing sides of a partition in a tubular package.
  • Mine roof bolts and other structural elements are often anchored into rock, concrete or the like, by a combination of adhesives and mechanical structures such as an expansion anchor at the distal end of the bolt.
  • Bolts sized 5 ⁇ 8 inch to 11 ⁇ 4 inch in diameter are used in boreholes varying from 3 ⁇ 4 inch to 2 inches in diameter.
  • Adhesives are generally formed in place within the borehole by providing a resin cartridge that includes two compartments, with a polymerizable (curable) resin in one compartment, and a hardener or catalyst in another compartment.
  • a borehole is drilled in the rock, and the cartridge containing the polymerizable resin and catalyst is inserted into the blind end of the borehole.
  • the distal end of the bolt ruptures the package so that the resin and catalyst are mixed. Rotation of the bolt about its longitudinal axis mixes the resin and catalyst. The bolt becomes fixed within the resin upon curing.
  • Some resin cartridges include an inner compartment containing catalyst surrounded by an outer compartment containing the polymerizable resin.
  • Other resin cartridges employ a barrier to divide a container into two compartments with the catalyst and resin on opposing sides of the barrier.
  • resin cartridges are often produced from strong films such as polyethylene terephthalate, such as Mylar®. Polyethylene terephthalate provides the desired structural integrity to the resin cartridge, yet is more costly than other pliable films that may be used in less aggressive environments.
  • Conventional resin cartridges often use polyethylene terephthalate for the outer compartment as well as the inner compartment or the barrier, even though these inner structures are not exposed to the underground mine environment and do not require the structural integrity of the outer compartment.
  • the resin component and the catalyst component may each include filler material in the form of particulate matter. Filler material is used to increase the volume of the package at a low cost compared to the cost of additional reactive components and to control viscosity of the components.
  • the resin cartridges are formulated by balancing the mass of liquid and solids and the particle size of solids to achieve good anchorage. If the viscosity or size of the filler is incorrect, the bolt may be difficult to insert into the borehole or the bolt may be inserted into the borehole, but with poor mixing of the resin and catalyst.
  • the amount of filler, type of filler and size of the filler is important to obtain proper performance under a variety of applications.
  • the bolt Upon insertion of the bolt into a borehole, the bolt is rotated to shred the package and enhance mixing until the resin hardens to a degree that nearly prevents the bolt from being rotated, and the resin is allowed to cure. If the mass of the fillers or liquid resin is incorrect, only a portion of the resin may harden. Since it is essentially difficult to determine the degree of hardening of the resin in the borehole, it is desirable that every cartridge have the correct amount of resin, filler, filler particle size, and catalyst and that every cartridge be the same and be formulated to achieve the optimum performance for each application.
  • Resin cartridges are produced via a variety of techniques. In general, these techniques involve advancing a web of a film into a tube shape having a divider within the tube, thereby producing a partitioned tube. One compartment of the partitioned tube receives the resin composition and the other compartment of the partitioned tube receives the catalyst composition. The tube is sealed off at intervals to produce lengths of the filled package.
  • the partitioned package is filled in a packaging machine that receives a stream of a curable resin composition into one compartment and a stream of catalyst composition in the other compartment.
  • the resin composition and the catalyst composition are prepared in separate mixing vessels and are transferred to the packaging machine.
  • the preparation and transfer of the resin composition and the catalyst composition has conventionally been conducted in batch operations or semi-continuous operations with minimal feedback or process controls.
  • the present invention provides a method and system for producing resin cartridges which include components and features that allow for continuous production of resin cartridges in partitioned packages with feedback for adjusting the process conditions to maintain consistent quality of the resin cartridges produced.
  • the present invention includes a method of producing packages containing a curable resin composition and a catalyst composition that react with each other when mixed, comprising providing a partitioned tube for receiving the resin composition and the catalyst composition in separate compartments; delivering a stream of a resin composition into one compartment of the tube; delivering a stream of a catalyst composition in the other compartment of the tube; advancing the partitioned tube and constricting and sealing the partitioned tube at spaced apart intervals and severing the sealed tube to produce a package partitioning the resin composition from the catalyst composition, wherein the method includes continuously adding solid particulate into the stream of at least one of the catalyst composition and the resin composition and mixing the solid particulate into the stream to produce at least one mixed composition; and controlling the relative amount of solid particulate in the mixed composition by continuously determining the mass of solid particulate added to the mass of the stream.
  • the present invention includes a method of producing a resin cartridge having one compartment containing a curable resin and another compartment containing a catalyst, the method comprising providing a resin stream from a resin feed device; providing a catalyst stream from a catalyst feed device; continuously mixing filler material into the resin stream to produce a resin composition; continuously mixing filler material into the catalyst stream to produce a catalyst composition; delivering the resin composition and the catalyst composition into the respective compartments of a cartridge, wherein the resin and catalyst compositions are adjusted by altering the composition of at least one of the resin stream and the catalyst stream or by altering the amount of filler material mixed into the resin stream or the catalyst stream.
  • the system of the present invention includes a dual compartment resin cartridge production system comprising a bulk materials handling subsystem for providing resin; a resin and filler mixing subsystem for providing a resin composition; a catalyst subsystem for providing a catalyst composition; a packaging machine subsystem for receiving the resin composition and the catalyst composition in separate compartments of a cartridge; and a computer network comprising controllers for operating at least one of the subsystems, the controllers providing feedback to the at least one subsystem for adjusting the subsystem.
  • FIG. 1 is a schematic of the unit operations and controls for providing resin in the system of the present invention
  • FIG. 2 is a schematic of the unit operations and controls for supplying resin in the system of the present invention
  • FIG. 3 is a schematic of the unit operations and controls for mixing particulates into resin in the system of the present invention
  • FIG. 4 is a schematic of the unit operations and controls for feeding catalyst mixing particulates into the system of the present invention.
  • FIG. 5 is a schematic of a computer network for controlling the system of the present invention.
  • the present invention is described with reference to producing two-component cartridges containing a resin component and a catalyst component for effecting polymerization of the resin upon rupture of the cartridge and mixing of the components, particularly for use in anchoring mine roof bolts.
  • this use is exemplary only and not meant to be limiting.
  • the resin cartridges produced using the present invention may be used to anchor other structural compounds.
  • the two-component cartridges of the present invention may be used for housing other components that may or may not be reactive with each other.
  • FIGS. 1-4 represent the schematic of the system 2 of the present invention for delivering a curable resin composition and a catalyst composition to a packaging machine.
  • the packaging machine is not shown in detail in the drawings and is not limited hereby, except that the packaging machine is suitable for packaging reactive components into a partitioned package.
  • varying resin compositions are used to produce resin cartridges.
  • the resin may include highly reactive resin that reacts and cures quickly (“fast” resin), low reactive resin that reacts and cures slowly (“slow” resin) and “medium” speed resin that reacts and cures at intermediate speed.
  • fast resin highly reactive resin that reacts and cures quickly
  • low reactive resin low reactive resin that reacts and cures slowly
  • medium speed resin that reacts and cures at intermediate speed.
  • FIG. 1 a first portion of the system 2
  • bulk resin from tanker trucks T one being shown
  • resin pumps 4 a , 4 b , 4 c for respective fast, medium and slow resins via supply lines 6 a , 6 b , 6 c to resin storage tanks 8 a , 8 b , 8 c that accommodate the varying speed resin compositions that include pumps, valves and associated line controls for transferring resin.
  • Resin is transferred from tanks 8 a , 8 b , 8 c via valve arrangements 10 a , 10 b , 10 c and pumps 12 a , 12 b , 12 c through supply lines 14 a , 14 b , 14 c therein to a downstream portion of the system.
  • Three resin storage tanks 8 a , 8 b , 8 c are shown in FIG. 1 , but this is not meant to be limiting.
  • the system 2 of the present invention has flexibility in the ability to produce resin cartridges containing resin which cures at different rates depending on the desired end use. However, only one resin composition (stored in one resin storage tank) may be used, or more than three different resin compositions may be used.
  • FIG. 2 depicts a second portion of the system 2 wherein fast resin, medium resin and slow resin in respective lines 14 a - 14 c are provided to resin mix tank A ( 16 a ) and resin mix tank B ( 16 b ) and respective resin feed tank A ( 18 a ) and resin feed tank B ( 18 b ).
  • each of the resin mix tanks 16 a , 16 b receives resin from each of the three resin storage tanks 8 a - 8 c via lines 14 a - 14 c , thereby providing a mixture of fast resin, slow resin and medium speed resin.
  • Lines 14 a - 14 c are provided with two sets of flow meter/control valve arrangements 20 a , 20 b , 20 c and 22 a , 22 b , 22 c for controlling the amount of resin delivered to resin mix tanks 16 a and 16 b .
  • Tanks 16 a and 16 b are equipped with an agitator 24 for mixing resin and level controlling and sampling ports (not shown) as well as access lids 26 for manually adding material (such as a thickening agent) or removing material (such as for sampling) from tanks 16 a , 16 b .
  • the mixed resins in tanks 16 a , 16 b are transferred to resin feed tanks 18 a , 18 b equipped with agitators 24 , as well as level controllers and sampling ports (not shown) and access lids 26 .
  • Resin modifiers may be added manually to resin mix tanks 16 a , 16 b .
  • Such modifiers include but are not limited to stabilizers, accelerators (such as dimethyl-p-toluidine or dimethyl aniline), inhibitors (such as quinones), colorants (dyes or pigments). Addition of resin modifiers may also be automated for controlled addition to resin mix tanks 16 a , 16 b based on production needs or quality control.
  • Resin mix tank 16 b and resin feed tank 18 b operate in parallel to tanks 16 a and 18 a .
  • Outlet lines 28 a , 28 b of resin feed tanks 18 a , 18 b include pumps 30 a and 30 b for transferring the resin mixture to a third portion of the system 2 as shown in FIG. 3 . It will be appreciated that the contents of resin mix tanks A and B ( 16 a , 16 b ) may be operated in a batch mode.
  • Resin feed tanks 18 a , 18 b serve as starting points of a continuous process of supplying resin to the packaging machines PM- 1 , PM- 2 .
  • the resin mixture is combined with a filler of a particulate matter to provide a resin composition.
  • the relative amount of particulate matter that is added to the resin as a filler material affects the cost and performance of the final product.
  • a high relative amount of resin increases the cost of the resulting product and can decrease the performance due to shrinkage and low stiffness of the resin upon curing.
  • Insufficient resin or a high relative amount of particulate matter results in a product with excessive viscosity, which makes it difficult to properly insert the bolt or results in poor mixing.
  • the particulate matter may include fillers of varying sizes such as 500 ⁇ m or less (fine filler) to 6000 ⁇ m (coarse filler).
  • the balance of the amount of coarse and fine fillers also affects the product performance. For a given filler, there generally is an optimal ratio of fine filler to coarse filler that produces an acceptable viscosity in the resin composition. For small boreholes (e.g., 1 inch) with a smaller annulus between a bolt and the borehole wall, it may be advantageous to use a higher proportion of fine filler than in larger boreholes.
  • the proportional amounts of fine filler and coarse filler may be selected as disclosed in U.S. Pat. No. 5,993,116 to Paxton et al., incorporated herein by reference.
  • the present invention employs mass meters for determining the amount of filler added to the resin. An insufficient amount of filler used can negatively impact resin strength, stiffness and shrinkage, which may result in poor bonding and roof support.
  • the resin mixture from line 28 a is metered through mass flow meter 29 a and supplied to an in-line mixer 32 a .
  • Particulate matter such as limestone, sandstone or shale, is also supplied to the in-line mixer 32 a , via lines 34 a , 36 a to the in-line mixer 32 a .
  • Suitable in-line mixers are available from Palmer Manufacturing of Springfield, Ohio.
  • Coarse particulates are provided via line 34 a , and fine particulates are added via line 36 a into a hopper 38 a that feeds to mixer 32 a .
  • the respective amounts of coarse and fine particulate matter that are added to the in-line mixer 32 a are controlled via mass meters 40 a , 42 a on respective lines 34 a , 36 a for the coarse particulates and the fine particulates.
  • the mass meters 40 a , 42 a are loss and weight feeders, which weigh the particulates on a belt that feeds to lines 34 a , 34 b .
  • the resulting resin composition containing particulate matter is transferred to a resin hold tank 44 a .
  • the system 2 includes feedback controls for monitoring and adjusting the amount of particulate matter added to the resin composition.
  • In-line mass meters 40 a and 42 a provide accurate and instantaneous information on the amount of particulate matter added to the resin composition.
  • a signal may be automatically or manually generated to reduce the amount of particulate matter added and/or to increase the amount of resin added, that change being monitored by mass flow meters 29 a , 29 b and/or mass meters 40 a , 42 a.
  • the resin composition is remixed via an in-line mixer 46 a prior to delivery to packaging machine PM- 1 .
  • Mixer 46 a includes a mixing chamber and a set of parallel twin screws for advancing the composition toward the packaging machine, such as a Moyno 2000 HS System available from Moyno, Inc. of Springfield, Ohio.
  • the twin screws provide post-mixing to the compositions and scrape material off the sides of the mixing chamber.
  • the twin screw in-line mixer 46 a of the present invention has intermeshing blades and a combined mixing diameter of both screws that is equal to or greater than the width dimension of the chamber.
  • the twin screws operate at a speed that pumps about 10 times more material through the chamber than is delivered thereto and at least 2 to 10,000 times or 50 to 1,000 times more product per minute than the packaging machines use. This forces a substantial portion of, such as 50 to 1,000 times, the amount of resin composition backward through an upper portion of the mixing chamber. The backward flowing resin composition is folded back into the new material being added and is remixed, thereby ensuring that all product exiting the twin screws is uniform and is substantially blended with new material. This remixing feature within mixer 46 a produces a uniform product with minimal or no variance from cartridge to cartridge or between cases of cartridges.
  • the twin screws exert a substantial amount of work on the product, producing heat that reduces the viscosity of the resin composition. The amount of work exerted on the product may be enough to produce a 5° C. temperature rise, or a 5 to 20° C., or no more than 50° C. rise in the product exiting the twin screws.
  • the twin screw resin mixer 46 a is configured to receive a composition having 50% filler and 50% resin or up to 100% filler (no liquid) without plugging or overloading for at least 1 minute or at least 10 minutes.
  • the mixer can process dry material thereby avoiding downtime associated with prior resin mixing systems.
  • Prior resin mixing systems cannot process dry material and with loss of liquid feed for just a few seconds, results in failure of the mixer drive shaft, motor, baffles and requires long downtime to repair.
  • in-line mixer 32 a and twin screw mixer 46 a ensure that essentially all of the filler material added to the resin will be received downstream. By accurately measuring the mass of particulates added via mass meters, the final composition of the resin composition can be accurately obtained.
  • a level controller within the mixing chamber of twin screw mixer 46 a such as a radar level controller, provides feedback for increasing the rate of delivery of the resin composition to the mixer 46 a , starting or stopping the in-line mixers 32 a , 32 b .
  • the outlet of mixer 46 a is transferred via resin tank booster pump 48 a to the packaging machine PM- 1 via line 50 a and may also be returned via line 52 a to the resin hold tank 44 a .
  • resin from line 28 b monitored via mass flow meter 29 b , is mixed in mixer 32 b , with coarse and fine particulate matter from lines 34 b , 36 b provided via mass meters 40 b , 42 b and hopper 38 b , held in a resin hold tank 44 b , post-mixed via twin screw mixer 46 b with delivery to packaging machine PM- 2 via line 50 b and to resin hold tank 44 b via line 52 b and pump 48 b.
  • density flow meters 49 a , 49 b are provided on respective lines 50 a , 50 b .
  • Density flow meters 49 a , 49 b provide data on mass flow rate, density and optional temperature.
  • the density of the resin composition exiting resin composition hold tanks 44 a , 44 b can be used to determine the relative amounts of resin and filler therein.
  • the density of the resin composition is a function of the relative amounts of the components thereof. For example, the density of resin is low (e.g., about 1-1.4 g/ml), and the density of the filler is higher (e.g., about 2.7-3.0 g/ml).
  • the relative amounts of resin and filler may be determined based on their individual densities and the density of the resin composition. Adjustment of the amounts of resin and/or filler added to the resin composition upstream may be made to achieve a desired density of the resin composition determined by density meters 49 a , 49 b.
  • FIG. 4 depicts a schematic of the production of catalyst composition for delivery to the packaging machine.
  • a catalyst material such as benzoyl peroxide in paste form
  • a catalyst mix tank 58 equipped with an agitator 24 and access lid 26 .
  • Water is added via line 62 for diluting the catalyst.
  • a thickening agent is manually added to catalyst mix tank 58 , containing water via access lid 26 until a desired viscosity of material within the catalyst mix tank is achieved.
  • the catalyst is added to tank 58 via line 54 , and the contents of tank 58 are checked for catalyst concentration and adjusted as necessary.
  • the diluted catalyst composition is transferred via line 64 and pump 66 to a catalyst feed tank 68 equipped with an agitator 24 and access lid 26 for holding the catalyst composition.
  • An outlet line 72 of the catalyst feed tank 68 includes a pump 74 for transferring the catalyst composition to catalyst in-line mixer 76 , as shown in FIG. 4 .
  • catalyst mix tank 58 is operated in a batch mode and catalyst feed tank 68 serves as a starting point of a continuous process for supplying catalyst to the packaging machines PM- 1 and PM- 2 .
  • Coarse particulate matter and fine particulate matter are supplied from respective feed lines 78 and 80 with mass meters 82 and 84 to hopper 86 .
  • the amount of coarse and fine particulate matter added to hopper 86 is controlled via mass meters 82 , 84 .
  • the system 2 includes feedback controls for monitoring the amount of particulate that has been added to the catalyst composition.
  • the catalyst composition with particulate matter is transferred to a hold tank 88 .
  • the catalyst composition with particulates is remixed via in-line mixer 90 for final mixing of the catalyst composition prior to transfer to the packaging machines PM- 1 and PM- 2 .
  • In-line mixer 90 is comparable to in-line mixers 46 a , 46 b in its structure and operation. Outlet of mixer 90 is transferred through line 94 via mixed catalyst pump 92 with optional recycling via line 96 .
  • Packaging machines PM- 1 and PM- 2 receive resin composition from resin composition hold tanks 44 a and 44 b , respectively. Catalyst composition is delivered to both packaging machines PM- 1 and PM- 2 from catalyst composition hold tank 88 .
  • a suitable packaging machine is described in U.S. Pat. No. 3,889,446, incorporated herein by reference. Generally, such packaging machines produce resin cartridges by forming a web of pliable film into an advancing first tube with the edges of the tube overlapping each other. A second tube is formed therein by advancing another film into the first tube, thereby creating a second tube within the first tube, i.e., one compartment within another compartment. Alternatively, an edge of the first tube may span the diameter of the tube to create side-by-side compartments.
  • Each of the packaging machines PM- 1 and PM- 2 include a resin packaging pump and a catalyst packaging pump (not shown) for delivering the resin and catalyst compositions into the two compartments of the packaging, referred to hereinafter as first and second resin packaging pumps and first and second catalyst packaging pumps.
  • the packaging advances as it is filled until a pre-determined length (such as two to three feet) is filled.
  • the packaging machine seals the compartments together and cuts the length of filled packaging at the seal, yielding a cartridge with one compartment containing the resin composition and another compartment containing the catalyst composition.
  • the system of the present invention includes a network 102 for controlling the components depicted in FIGS. 1-4 via a remote station.
  • Network 102 includes numerous components in mutual communication via switch or hub 104 with which at least one control terminal 106 communicates.
  • the network 102 controls the production of resin cartridges according to subsystems such as bulk material handling, resin mixing, catalyst mixing, packaging machine operation, pumping of resin and catalyst to the packaging machines, and cutting and handling of resin cartridges.
  • network 102 includes input/output devices (e.g. touch screens) and programmable logic controllers (PLCs).
  • PLCs programmable logic controllers
  • Touch screen 108 and PLC 110 are programmed for automating and controlling the components of the bulk components of the resin and filler, such as the components shown in FIG. 1 .
  • Touch screen 112 and PLC 114 for mix system A i.e., the components 16 a - 52 a of FIGS. 2 and 3
  • Touch screen 112 and PLC 114 for mix system A are programmed for automating and controlling delivery of resin to the packaging machine PM- 1 , including at least the amount of resins (e.g., the relative concentration of slow, medium and fast resins) and the amount of modifiers added to resin mix tank 16 a , controlling transfer pump 27 a , maintaining the level in resin feed tank 18 a , monitoring output of resin mass flow meter 29 a , and controlling pump 30 a .
  • Delivery of filler is also automated and controlled by touch screen 112 and PLC 114 in monitoring output of mass meters 40 a and 42 a , controlling operation of mixer 32 a , maintaining the level in resin composition hold tank 44 a , and controlling operation of mixer 46 a and booster pump 48 a .
  • components 16 b - 52 b (mix system B) of FIGS. 2 and 3 are automated and controlled via touch screen 116 and PLC 118 .
  • Components 54 - 92 are automated and controlled via touch screen 120 and PLC 122 in at least controlling the amount of catalyst and solvent added to catalyst mix tank 58 , controlling transfer pump 66 , maintaining the level in catalyst feed tank 68 , controlling pump 74 , monitoring output of mass meters 84 and 82 , controlling operation of mixer 76 , maintaining the level in catalyst composition hold tank 88 , and controlling operation of mixer 90 and pump 92 .
  • the packaging machines PM- 1 and PM- 2 are controlled via touch screen 124 and PLC 126 and via touch screen 128 and PLC 130 , respectively.
  • Touch screen 132 and PLC 134 control the first resin packaging pump of packaging machine PM- 1 .
  • Touch screen 136 and PLC 138 control the first catalyst pump of packaging machine PM- 1 .
  • Second resin packaging pump and second catalyst packaging pump of machine PM- 2 are likewise controlled via respective touch screens 140 , 144 and PLCs 142 , 146 .
  • Touch screen 148 and PLC 150 control cutting of packages by packaging machines PM- 1 , PM- 2 (i.e., the location of cuts), tally the production and calculate production quantities remaining to fulfill a production need.
  • Each PLC may operate independently of the other PLCs, and communicates within the network 102 to receive control instructions from the network 102 .
  • each PLC can be controlled, changed and monitored locally or remote from the network 102 via terminal 106 , such as in a production planning facility. If a problem develops in one subsystem, the other subsystems automatically take corrective actions or shut down the system 2 .
  • the resin mix subsystem, catalyst mix subsystem and packaging machines are automatically reconfigured to accommodate the new product.
  • Such product changes may be made locally or remotely via terminal 106 .
  • Terminal 106 also records and archives process information, including any alarms. This historical data may be reviewed and is available for troubleshooting on-site or remotely.
  • the PLCs 110 , 114 , 118 , 122 , 126 , 130 , 134 , 138 , 142 , 146 and 150 monitor their respective portions of system 2 and make adjustments to maintain desired set points.
  • the desired set points may be based on compositional requirements (e.g., relative amounts of resin and filler) or property requirements (e.g., density of resin composition fed to the packaging machine) or both. For example, if the output of mass meter 40 a indicates that the amount of fine filler being added to mixer 32 a is lower than a predetermined set point, PLC 114 will increase the feed rate for fine filler until the set point is reached.
  • the system 2 may include components (not shown) for determining viscosity of the compositions, such as the mixed resin, the catalyst, the resin composition containing filler, or the catalyst composition. Viscosity measurements may also be made off-line from samples.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Basic Packing Technique (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
US11/807,655 2006-11-29 2007-05-30 System and method for producing resin cartridges Active US7637086B2 (en)

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Application Number Priority Date Filing Date Title
US11/807,655 US7637086B2 (en) 2006-11-29 2007-05-30 System and method for producing resin cartridges
AU2007202740A AU2007202740B2 (en) 2006-11-29 2007-06-13 System and method for producing resin cartridges
CA2973276A CA2973276C (fr) 2006-11-29 2007-09-14 Systeme et methode de realisation de cartouches a resin
US12/621,955 US8539738B2 (en) 2006-11-29 2009-11-19 System and method for producing resin cartridges
US14/035,400 US9738405B2 (en) 2006-11-29 2013-09-24 Resin cartridge production system
AU2014202904A AU2014202904C1 (en) 2006-11-29 2014-05-28 System and method for producing resin cartridges

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US11/807,655 US7637086B2 (en) 2006-11-29 2007-05-30 System and method for producing resin cartridges

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US20110100470A1 (en) * 2009-11-05 2011-05-05 J-Lok Co. Multi-Speed Resin Cartridge Production System
US8567437B2 (en) 2009-11-05 2013-10-29 J-Lok Co. Multi-speed resin cartridge production system
CN101994516A (zh) * 2010-10-09 2011-03-30 石家庄中煤装备制造有限公司 锚杆机的操控系统及带该操控系统的锚杆机
CN101994516B (zh) * 2010-10-09 2012-08-15 石家庄中煤装备制造股份有限公司 锚杆机的操控系统及带该操控系统的锚杆机

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AU2007202740B2 (en) 2014-05-15
AU2014202904C1 (en) 2017-08-10
US20140020329A1 (en) 2014-01-23
US8539738B2 (en) 2013-09-24
AU2007202740A1 (en) 2008-06-12
US20080120947A1 (en) 2008-05-29
CA2973276A1 (fr) 2008-05-29
US20100064638A1 (en) 2010-03-18
CA2973276C (fr) 2018-10-23
US9738405B2 (en) 2017-08-22
AU2014202904B2 (en) 2017-04-27

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